Browse Prior Art Database

Removable Printed Circuit Card and Contact Device

IP.com Disclosure Number: IPCOM000079493D
Original Publication Date: 1973-Jul-01
Included in the Prior Art Database: 2005-Feb-26
Document File: 2 page(s) / 69K

Publishing Venue

IBM

Related People

Doody, GE: AUTHOR [+2]

Abstract

Electrical connections between contacts along the periphery of printed-circuit cards and a receiving carrier are established by a handle actuated camming device. In one embodiment, the card contacts are cammed against the frame connections, while another embodiment cams the contacts themselves after the card is in place.

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Removable Printed Circuit Card and Contact Device

Electrical connections between contacts along the periphery of printed-circuit cards and a receiving carrier are established by a handle actuated camming device. In one embodiment, the card contacts are cammed against the frame connections, while another embodiment cams the contacts themselves after the card is in place.

Fig. 1 shows a partially disassembled view of a connector for providing contacts around multiple edges of a card 10, which has modules 11 mounted on one side. Edge connectors 12 are interconnected with the terminals of the modules 11. Board 15 is attached to guide 16 which is arranged to slidably accept card 10. A series of contacts 18 on board 15 are forced upward through holes 19 in card 16 to establish contact with connectors 12. Guide 16 receives card 10 prior to establishment of contacts, this being shown in Fig. 2. Figs. 3 and 4 illustrate the manner in which movement of the actuator locking handle 40 moves guides 16 into contact after card 10 has been put in place, so as to prevent the card from being removed when contact fingers 18 engage card lands
12. As can be seen from Fig. 1, card 10 can have lands on all edges, either or both sides or at locations other than at the edge.

With board 40 in the open position, guide 16 is separated from board 15 by springs 17. Holes 19 in guide 16 protect contacts 18 from damage, while grooves 20 in board 15 accommodate flexing of contacts 18. Interconne...